EP1360753B1 - Element dente de moto-reducteur, serie de moto-reducteurs et connexion - Google Patents

Element dente de moto-reducteur, serie de moto-reducteurs et connexion Download PDF

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Publication number
EP1360753B1
EP1360753B1 EP02718020A EP02718020A EP1360753B1 EP 1360753 B1 EP1360753 B1 EP 1360753B1 EP 02718020 A EP02718020 A EP 02718020A EP 02718020 A EP02718020 A EP 02718020A EP 1360753 B1 EP1360753 B1 EP 1360753B1
Authority
EP
European Patent Office
Prior art keywords
toothing
toothed part
motor
geared
toothings
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
EP02718020A
Other languages
German (de)
English (en)
Other versions
EP1360753A2 (fr
Inventor
Michael Christ
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SEW Eurodrive GmbH and Co KG
Original Assignee
SEW Eurodrive GmbH and Co KG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from DE10111900A external-priority patent/DE10111900C2/de
Application filed by SEW Eurodrive GmbH and Co KG filed Critical SEW Eurodrive GmbH and Co KG
Publication of EP1360753A2 publication Critical patent/EP1360753A2/fr
Application granted granted Critical
Publication of EP1360753B1 publication Critical patent/EP1360753B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H55/00—Elements with teeth or friction surfaces for conveying motion; Worms, pulleys or sheaves for gearing mechanisms
    • F16H55/02—Toothed members; Worms
    • F16H55/17—Toothed wheels
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D1/00—Couplings for rigidly connecting two coaxial shafts or other movable machine elements
    • F16D1/10—Quick-acting couplings in which the parts are connected by simply bringing them together axially
    • F16D1/108—Quick-acting couplings in which the parts are connected by simply bringing them together axially having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling
    • F16D1/112—Quick-acting couplings in which the parts are connected by simply bringing them together axially having retaining means rotating with the coupling and acting by interengaging parts, i.e. positive coupling the interengaging parts comprising torque-transmitting surfaces, e.g. bayonet joints
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/0018—Shaft assemblies for gearings
    • F16H57/0025—Shaft assemblies for gearings with gearing elements rigidly connected to a shaft, e.g. securing gears or pulleys by specially adapted splines, keys or methods
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/19642—Directly cooperating gears
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T74/00—Machine element or mechanism
    • Y10T74/19—Gearing
    • Y10T74/19642—Directly cooperating gears
    • Y10T74/19679—Spur
    • Y10T74/19684—Motor and gearing

Definitions

  • the invention relates to a geared motor with a toothing part, a series of geared motors and a connection.
  • the toothing part has two helical toothings, but once again, when centering, centering is expensive to predict.
  • the invention is therefore based on the object in a geared motor to develop a pinion such that less expensive parts in the transmission can be used or parts in the transmission can even be omitted in a cost effective manner.
  • the object is achieved in the geared motor with a toothing part according to the features specified in claim 1, in the series of geared motors according to the features specified in claim 11 and in the connection according to the features indicated in claim 12.
  • the toothing part for a connection to a motor shaft of the electric motor has at least a first toothing in a first axial region, and at least one second toothing in a second axial region, wherein the second toothing with a running toothing of another toothed part of the transmission is engaged.
  • the advantage here is that the second toothing with a different pitch circle diameter is executable as the first toothing.
  • the motor shaft has a driving toothing which engages with the first toothing of the toothing part.
  • the driving toothing of the motor shaft is an internal toothing.
  • the advantage here is that it can be produced inexpensively with industry standard manufacturing processes, in particular by pushing, broaching arching and / or milling.
  • the first and second teeth are each helically toothed and have the same sign at the helix angle and / or the same helix angle.
  • the advantage here is that the axial force generated by the helical gears on the gearing part even in the construction by selecting the helix angle and gearing data can be influenced such that a reduced resulting Axialkraftkomponente is reachable on the gearing itself.
  • This reduction of the resulting axial force on the toothing part itself significant improvements in the design of the transmission can be achieved.
  • Other parts are cheaper executable or even dispensable, such as corresponding retaining rings or the like.
  • the pitch circle diameter of the first toothing is greater than the pitch circle diameter of the second toothing.
  • the first and second teeth are involute toothings.
  • first and / or second teeth are external teeth.
  • the advantage here is that the toothing part has a compact shape and thus is inexpensive to produce.
  • external gears are easy, fast and inexpensive to produce with large milling cutters and after hardening with large grinding wheels.
  • the toothing part at its motor-side end on a pin which is inserted into a corresponding omission of the motor shaft such that it can be used during insertion into the omission for centering the toothing part.
  • the pin is cylindrical.
  • the advantage here is that the pin is inexpensive to produce.
  • the pin is conically shaped.
  • the pin has a knurl.
  • the advantage here is that the knurl has a greater hardness than the material of the motor shaft and thus in the motor shaft with material deformation can be pressed.
  • the connection of the toothing part with the motor shaft is carried out at low torques on this press connection. Only after exceeding a critical torque, the driver toothing of the motor shaft with the first toothing of the toothing part for the torque transmission is usable.
  • the toothing part on an omission which is used for insertion into the motor shaft for centering the toothing part.
  • the advantage here is that the toothing part only has a short length and thus requires less storage space and mounting space, in particular on a smaller volume of space during assembly is rotatable. It also has a lower volume of material. Since the material of the toothing part, in particular because of the higher torque to be transmitted and the higher hardness for grinding of the teeth is more expensive than the material of the motor shaft, for which mild steel is used.
  • first and second teeth are comprised by a single toothing.
  • the advantage here is that the production is very simple and a high ratio is feasible.
  • Essential features of the invention in the series of geared motors are that the series comprises at least one size, and wherein each size of one or more variants of geared motors are included, and wherein within a size in different variants similar motor shafts are used, each with a Connected toothing part and / or are connected, wherein within a size at least one variant comprises a toothed part whose first and second teeth are different, and wherein at least one further variant comprises a toothed part, the first and second teeth are the same.
  • the advantage here is that a wide range of different gear ratios can be realized by the use of the various gearing parts.
  • the toothing data can be varied at a substantially constant pitch circle diameter but also the pitch circle diameter. This greatly extends the range of translation numbers.
  • an involute and second gear can be used as the first gearing an involute and second gear as a pinion for a Kegelradgetriebeeck or a pinion for another type gear stage, such as a planetary gear stage, a gear stage with a spiroidal toothed wheel or other angular gear stages.
  • a pinion for a Kegelradgetriebetre or a pinion for another type gear stage, such as a planetary gear stage, a gear stage with a spiroidal toothed wheel or other angular gear stages.
  • the axial force generated by the helical gears on the toothing part itself in the construction du Rch choice of helix angle and toothing data can be influenced such that a reduced resulting Axialkraftkomponente on the toothing part itself is achievable.
  • a reduced resulting Axialkraftkomponente on the toothing part itself is achievable.
  • FIG. 1 a Einsteckritzel 1 is shown, which has a first toothing 1 and a second toothing 2, wherein the first toothing 1 has a smaller pitch circle diameter than the second toothing 2.
  • First gearing 1 and second gearing 2 each have a negative helix angle, which has the same amount. In other embodiments of the invention also different amounts can be used.
  • a Einsteckritzel 23 is shown, which has a first toothing 21 and a second toothing 22, wherein the first toothing 21 in turn has a smaller pitch circle diameter than the second toothing 22.
  • First toothing 21 and second toothing 22 each have a positive helix angle, which has the same amount.
  • the helix angle is in the FIGS. 1 and 2 symbolically indicated by 3 parallel lines.
  • M is referred to in the figures, the motor-side, with G, the transmission-side axial end of the Einsteckritzels.
  • a motor 31 is partially indicated, the motor shaft 32 has a bore with a designed as an internal toothing driving toothing 34, with the first toothing of the Einsteckritzels 1.23 3.23 is engaged.
  • the motor shaft on an omission 33 for centering a provided with a corresponding pin Einsteckritzels.
  • the motor shaft 32 can be executed without omission, in which case then Einsteckritzel 3.23 according to FIGS. 1 or 2 be used.
  • FIG. 4 is a Einsteckritzel 42 having a cylindrical pin 43 for centering when plugged into the motor shaft 41. With the second toothing 2 as running teeth, the Einsteckritzel 42 with the gear 44 of the transmission is engaged.
  • the helical toothing 45 designed as helical toothing produces, in engagement with the first toothing 46, which is likewise designed as helical toothing, an axial force component on the toothing part itself.
  • the running toothing of the toothed wheel 44 generates, together with the second toothing of the insertion pinion 42
  • the resulting Axialkraftkomponente on the gearing part itself depending on the choice of helix angle and the gearing data on a small or even vanishing value on oppositely directed Axialkraftkomponente.
  • FIG. 5 a Einsteckritzel 51 is shown, which has a conical pin 52 for centering in a correspondingly tapered omission and / or bore in the motor shaft.
  • a Einsteckritzel 61 is shown, which in turn has a first toothing 63 and a second toothing 64.
  • the Einsteckritzel 61 has an omission 62 for centering, wherein the motor shaft has a corresponding shape or in other embodiments of the invention, the motor shaft is provided with corresponding parts.
  • FIG. 7 a Einsteckritzel 71 is shown having a provided with a knurling 72 pin. Since the sprocket 71 has a hardened and / or a material with greater hardness, the sprocket 71 is pressed into the softer motor shaft, which is made of structural steel, with material deformation.
  • FIG. 8 an advantageous development of the invention is shown, wherein the Einsteckritzel 81 has a helical toothing 82, the motor side with the corresponding helical gear toothing of the omission of the motor shaft is engaged and the gear side with the running gear of a corresponding helical gear of the transmission is engaged.
  • the Einsteckritzel 81 has a helical toothing 82, the motor side with the corresponding helical gear toothing of the omission of the motor shaft is engaged and the gear side with the running gear of a corresponding helical gear of the transmission is engaged.
  • the invention can also be applied to other types of teeth.
  • the first toothing of the Einsteckritzels is a helical involute toothing and the second toothing is in engagement with a bevel gear or a spiroidal toothed wheel. So it is also cylindrical or non-cylindrical second teeth executable.
  • the invention can be used not only in transmissions but also in other devices comprising a connection of a first rotating part, such as a shaft, via a toothing part to a part having a running toothing.
  • a first rotating part such as a shaft
  • a toothing part is to be designed with a first and a second toothing which each have the same sign of the helix angle such that the respectively generated axial force components are directed opposite.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Gear Transmission (AREA)
  • Gears, Cams (AREA)
  • Connection Of Motors, Electrical Generators, Mechanical Devices, And The Like (AREA)

Claims (12)

  1. Motoréducteur pourvu d'un élément denté,
    sachant que l'élément denté est un pignon à emmanchement (3, 23, 42, 51, 61, 71),
    le motoréducteur comprenant au moins un moteur électrique (31) et une transmission, sachant que l'élément denté présente au moins une première denture (1, 21, 63) dans une première région axiale, pour l'assemblage avec un arbre de moteur (32, 41) du moteur électrique, et
    au moins une deuxième denture (2, 22, 64) dans une deuxième région axiale,
    sachant que la deuxième denture (2, 22, 64) est en prise avec une denture de roulement d'un autre élément denté de la transmission,
    sachant que l'arbre de moteur (32, 41) présente une denture entraîneuse (34) qui est en prise avec la première denture (1, 21, 63) de l'élément denté,
    sachant que la denture entraîneuse (34) de l'arbre de moteur (32, 41) est une denture intérieure,
    sachant que la première et la deuxième dentures (1, 21, 63, 2, 22, 64) sont respectivement des dentures hélicoïdales et présentent des angles d'hélice de même signe et/ou le même angle d'hélice,
    sachant que le diamètre primitif de référence de la première denture (1, 21, 63) est supérieur au diamètre primitif de référence de la deuxième denture (2, 22, 64).
  2. Motoréducteur pourvu d'un élément denté selon la revendication précédente, caractérisé en ce que la première région axiale est disposée côté moteur, en particulier à l'extrémité côté moteur de l'élément denté, et la deuxième région axiale côté transmission, en particulier à l'extrémité côté transmission de l'élément denté.
  3. Motoréducteur pourvu d'un élément denté selon au moins une des revendications précédentes, caractérisé en ce que la première et la deuxième dentures (1, 21, 63, 2, 22, 64) sont des dentures en développante.
  4. Motoréducteur pourvu d'un élément denté selon au moins une des revendications précédentes, caractérisé en ce que la première et/ou la deuxième dentures (1, 21, 63, 2, 22, 64) sont des dentures extérieures.
  5. Motoréducteur pourvu d'un élément denté selon au moins une des revendications précédentes, caractérisé en ce que l'élément denté présente à son extrémité côté moteur un tenon qui est introduit dans un évidement correspondant (33) de l'arbre de moteur (32, 41) de telle sorte qu'il peut être utilisé pour le centrage de l'élément denté lors de l'introduction dans l'évidement (33).
  6. Motoréducteur pourvu d'un élément denté selon au moins une des revendications précédentes, caractérisé en ce que le tenon (43) est de forme cylindrique.
  7. Motoréducteur pourvu d'un élément denté selon au moins une des revendications précédentes, caractérisé en ce que le tenon (52) est de forme conique.
  8. Motoréducteur pourvu d'un élément denté selon au moins une des revendications précédentes, caractérisé en ce que le tenon (72) présente un moletage.
  9. Motoréducteur pourvu d'un élément denté selon au moins une des revendications précédentes, caractérisé en ce que l'élément denté présente un évidement (62) qui peut être utilisé pour le centrage de l'élément denté lors de l'introduction dans l'arbre de moteur (32, 41).
  10. Motoréducteur pourvu d'un élément denté selon au moins une des revendications précédentes, caractérisé en ce qu'une unique denture comprend la première et la deuxième dentures (1, 21, 63, 2, 22, 64).
  11. Gamme de fabrication de motoréducteurs,
    sachant que la gamme de fabrication comprend au moins une taille de construction,
    et sachant que chaque taille de construction comprend une ou plusieurs variantes de motoréducteurs,
    et sachant qu'à l'intérieur d'une taille de construction, on peut utiliser pour des variantes différentes des arbres de moteur (32, 41) de même type, qui sont et/ou peuvent être respectivement reliés à un élément denté selon au moins une des revendications précédentes,
    sachant qu'à l'intérieur d'une taille de construction, au moins une variante comprend un élément denté dont la première et la deuxième dentures (1, 21, 63, 2, 22, 64) sont différentes,
    et sachant qu'au moins une autre variante comprend un élément denté dont la première et la deuxième dentures (1, 21, 63, 2, 22, 64) sont identiques.
  12. Liaison d'un premier élément rotatif, au moyen d'un élément denté selon au moins une des revendications précédentes, à un élément présentant une denture de roulement,
    sachant
    que l'élément denté présente une deuxième denture (2, 22, 64) qui est en prise avec la denture de roulement,
    et que l'élément denté présente une première denture (1, 21, 63) qui est en prise avec une denture entraîneuse (34) du premier élément rotatif,
    et que les angles d'hélice de la première et de la deuxième dentures (1, 21, 63, 2, 22, 64) sont choisis de telle sorte que la direction de la force axiale produite par la denture entraîneuse (34) et la première denture (1, 21, 63) et la direction de la force axiale produite par la denture de roulement et la deuxième denture sont opposées, afin de réduire la force axiale résultante.
EP02718020A 2001-02-08 2002-01-12 Element dente de moto-reducteur, serie de moto-reducteurs et connexion Expired - Lifetime EP1360753B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE10105745 2001-02-08
DE10105745 2001-02-08
DE10111900 2001-03-13
DE10111900A DE10111900C2 (de) 2001-02-08 2001-03-13 Verzahnungsteil eines Getriebemotors, Baureihe von Getriebemotoren und Verbindung
PCT/EP2002/000244 WO2002063747A2 (fr) 2001-02-08 2002-01-12 Element dente de moto-reducteur, serie de moto-reducteurs et connexion

Publications (2)

Publication Number Publication Date
EP1360753A2 EP1360753A2 (fr) 2003-11-12
EP1360753B1 true EP1360753B1 (fr) 2013-04-03

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Family Applications (1)

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EP02718020A Expired - Lifetime EP1360753B1 (fr) 2001-02-08 2002-01-12 Element dente de moto-reducteur, serie de moto-reducteurs et connexion

Country Status (3)

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US (1) US8375819B2 (fr)
EP (1) EP1360753B1 (fr)
WO (1) WO2002063747A2 (fr)

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DE10238336A1 (de) 2002-08-16 2004-02-26 Flender Tübingen GmbH Motorreihe
SE535444C2 (sv) * 2010-10-13 2012-08-14 Autoinvent Transip Ab Stationär växelenhet
SE1250367A1 (sv) * 2012-04-12 2013-10-13 Autoinvent Transip Ab Mobil fordonsväxelenhet
DE102014017069B4 (de) * 2014-11-20 2022-10-13 Sew-Eurodrive Gmbh & Co Kg Antrieb, aufweisend eine Hohlwelle
ITUB20159160A1 (it) * 2015-12-22 2017-06-22 Ge Avio Srl Procedimento di assemblaggio per montare un cuscinetto volvente su un albero di ingranaggio, e gruppo ingranaggio ottenibile tramite tale procedimento
DE102016208016A1 (de) * 2016-05-10 2017-11-16 Robert Bosch Gmbh Elektrische Maschine, Adapterelemente sowie ein Baukastensystem umfassend eine elektrische Maschine mit Adaptern
ES2835854T3 (es) * 2016-07-28 2021-06-23 Ims Gear Se & Co Kgaa Disposición de conexión para conectar un componente tal como un árbol, cubo, buje o similar con una rueda dentada, presentando la rueda dentada un dentado oblicuo
JP2019138450A (ja) * 2018-02-15 2019-08-22 日本電産株式会社 減速機、モータユニット、及び掃除ロボット

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Also Published As

Publication number Publication date
US8375819B2 (en) 2013-02-19
EP1360753A2 (fr) 2003-11-12
WO2002063747A3 (fr) 2002-10-24
US20040060380A1 (en) 2004-04-01
WO2002063747A2 (fr) 2002-08-15

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